API integrations

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    API Integration Solutions

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    Leading Specialists in Custom API Development and Integration Solutions

    We specialize in creating APIs that are secure, reliable, easy to implement, and engineered to match your organization’s business logic. Our experts analyze your requirements and offer creative solutions to fit your logistics, strategic and budgetary needs.
    Easy API Integration and Web Services Development Services
    Today, businesses need their software to integrate with other internal and external platforms effortlessly and seamlessly. APIs define a secure and efficient way of how this communication is done.

    Increase your profits by integrating your e-commerce operation with your backend automatically:

    Update store catalogs


    Update product prices and quantities

    Synchronize actual inventory across the stores

    Import orders from shopping carts 

    Provide order status to your customers


    Get orders from partners


    Post orders to vendors


    Get order status from vendors


    Connect application to Email APIs


    Avoid being blacklisted


    Track email statuses


    Analyze email patterns

    Verify addresses, phone numbers, geo-locations, email addresses, etc.


    Implement fraud protection, tax handling, payment processing, analytics.

    Update store catalogs


    Get Inventory from vendors


    Provide Inventory to B2B customers


    Get catalogs from vendors


    Post your catalogs to vendors


    Update product prices

    Single Sign-On


    Custom key encryptions


    Security Protocols

    Scrub data


    Remarket to customers efficiently


    Manage  leads


    And much more…

    Custom built or SaaS API Integration Solutions

    Professional API
    Development Services

    • Custom built APIs to your specifications using best practices
    • Mobile, Desktop, Console and Web APIs
    • Agile software development keeping you in the loop
    • Hosted in the cloud or on premises
    • Adapted to local security policies
    • Connect with or without any middleware to your business partners
    • Excellent training, continuous maintenance and support
    • Assistance in building the most efficient business logic for your processes

    Subscription (APIaaS) based API Services

    • Cloud based API services
    • Low Upfront Cost and monthly subscriptions
    • Minimal impact to local Infrastructure
    • Flexible and easily scalable
    • API dashboard to track API transactions
    • Many available prebuilt APIs
    • Independent from local environment
    • Translate between API protocols
    • Faster implementation
    • Self maintained, tested and monitored

    Some samples of API Integrations and Web Services Development we have done include:

    As the market leader in enterprise application software, SAP helps you streamline your processes, giving you the ability to use real-time data to predict customer trends across your entire business. Click here to see a demo api request.

    Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.

    Accept PayPal from it’s various solutions, Express, POS, Pro or Standard

    Interconnect with FedEx® to retrieve rates and tracking information with your discount rates

    BigCommerce is a privately held technology company and provides a SaaS ecommerce platform.

    Connect with SendGrid’s powerful cloud-based solution to sends transactional and marketing emails.

    Interconnect with TaxCloud API which handles every aspect of sales tax compliance, from calculation to collection to filing - and it’s completely free.

    Ip2LocationTM is a non-intrusive geo IP solution to help you to identify visitor’s geographical location

    Verify Addresses with our USPS™ Address Verification API

    Let Your Software Communicate With Everyone in the World.

    Run and grow your business knowing you’ll be able to accept every payment method. Click here to see a demo transaction.

    Use Authorize.net’s API to process payments, subscriptions, fraud prevention etc.

    Cloud-based EDI to API technology connects brands, retailers and the systems they rely on.

    Xero is the emerging global leader of online accounting software that connects small businesses to their advisors and other services. Click here to see a demo API request.

    Connect with MailChimp’s API to manage contacts, send emails and track results.

    Lightspeed is the leading provider of cloud-based POS software. Now is the time to join the growing list of independent businesses that choose Lightspeed POS to handle their everyday needs. Click here to see a demo API request.

    Connect Intuit Quickbooks Online with any of the Platforms and APIs under the columns of eCommerce, PromoStandards, DropShipping, and Utilities.

    QuickBooks Desktop offers incredible accounting tools and extensive features, including expense tracking, budgeting, and job costing, 200 integrations, and positive customer reviews.

    ShopWorks Business Software:
    A Better Way to Run Your Shop

    The all-in-one commerce platform to start, run, and grow a business.

    Contactless Payments for Safety & Compliance. Accept payments anywhere, manage all activity in the cloud and receive award-winning service.

    We are ASP.NET, MVC, ASP, C#, VB, Ajax, REST, SOAP API Developers

    Our Customer Reviews

    Look what our customers say?

    I have worked with Robert on some very complicated integration projects…

    I have worked with Robert on some very complicated integration projects. Integrations for eCommerce Websites and ERP systems.
    We have integrated large and well-known eCommerce sites with various Sage ERP solutions. Integrating Order and fulfillment data, inventory sync, and other pertinent data to run a successful, hands-off, in the cloud ERP system integration.
    Along the way, as with any disparate systems, Robert has successfully resolved the most complex challenges. Getting it right the first time. A solid dependable, robust solution builder. Robert has expert knowledge of eCommerce sites, Sage MAS500/X3/Cloud ERP, and exceptional business and development skills. He is always there when I call and always willing to help.

    Stephen Trabalka

    VP Business Operations at Vcom IMC

    Lasting business relationships are much more about the ability to communicate well…

    Lasting business relationships are much more about the ability to communicate well than any other single variable. Whether that is during the planning/development stage of a project or as unanticipated problems arise throughout the life cycle of the said project. I began working with Robert in late 2019 on a small project. It was during one of those Zoom meetings in which we were addressing an unanticipated problem, that I felt closest to him and his team. I have always enjoyed working with folks that pay attention to details and truly have empathy for their clients. This is why we are onto Project #2 in the late Spring of 2020. Thanks for being there for me. MFM

    Mark F. McDermott

    Founder & CEO

    I recommend Robert Guler and WebServicesPros 100%…

    I recommend Robert Guler and WebServicesPros 100%. He and his team creating my website was very professional, organized, and knowledgeable. And the most important thing for me is that no matter how complex the process was they found a way to facilitate it. Thanks a lot

    Diana Naranjo

    Tepuy by Diana Naranjo

    Robert is amazing. Very smart, honest, and hard-working…

    Robert is amazing. Very smart, honest, and hard-working. I was directly involved with our project from start to finish. I look forward to working with Robert again in the future.

    John Donnelley

    CEO and Owner at tfg Loyalty

    I would like to thank you for the great service you provided…

    I would like to thank you for the great service you provided. My website looks beautiful thanks to your expertise, guidance, and the attention of your team. They were very knowledgeable, attentive to my needs, and patient with my deliverables. So much appreciate this first phase been completed. I am looking forward to continuing the partnership and growing my business with the support from your services. Thank you.

    Silvia Hernandes, MBA PHR SHRM-CP

    Managing Director at Harvard Group International

    I have known Robert for more than 30 years, we have worked on different projects…

    I have known Robert for more than 30 years, we have worked on different projects, and professionally speaking I can describe him as a person with deep knowledge in project management, business solutions, and coding, with impressive problem-solving abilities. Recently, I had the opportunity to return to work with him and his team, and once again I was impressed with the quality and fast delivery of work. I highly recommend him.

    Julio Carruyo

    Tepuy by Diana Naranjo

    I have worked with Robert and his team in various projects including e-commerce…

    I have worked with Robert and his team in various projects including e-commerce and text-based on-call staffing services. Each time Robert was integral to the architecture of the projects and in finding solutions to the most complex problems. Robert and his team are serious, diligent and most of all they take full ownership of the projects they work on. I very highly recommend him.

    Jak Benardete

    CEO at Shopbeam

    Robert is a person with great skills and deep experience in business solutions…

    Robert is a person with great skills and deep experience in business solutions. He is a detail-oriented, ambitious individual, with a knowledge that is vast and thorough. He is an organized and customer-service oriented perfectionist, has no problem to work hard when necessary. Whenever I had a problem, there has never been a time he has left me without a solution. Besides being a joy to work with, Robert is a take-charge person who is able to present creative solutions to complex problems and communicate the benefits to the company. He is a reliable individual and I will always hold him in the highest esteem.

    Nadine Lohrey

    Senior Manager at Harco Incentives

    Robert is a top-notch expert at both forward and reverses software interface projects…

    Robert is a top-notch expert at both forward and reverses software interface projects. we have collaborated many times over the years.

    Ted Grier

    Alterity Integrations Consultant at Data Business Solutions

    I have known Robert for 5 years in a professional capacity as we worked together…

    I have known Robert for 5 years in a professional capacity as we worked together as colleagues and co-Developers. Robert is intelligent, engaged IT professional. he posses the unique combination of being extremely technically proficient along with the ability to talk to and work with people on a personal level. Robert is a true leader with a great supporting team, I would highly recommend him for any IT related project. What makes ant IT project success is quality, timeliness, and great value, I found that in Robert in the past few years working together on multiple development projects.

    Armen Movsessian

    Managing Director at 4Fine.com